Genuine OEM Audi Coolant Pipe, part number 4G0121081BL. This pipe is an integral part of the engine cooling system, responsible for directing coolant flow to maintain optimal engine operating temperatures. It is positioned on the front left side of the cooling assembly, connecting to the expansion tank and other hoses. The pipe measures 0.222 meters in length and weighs 0.016 kg. Opting for a genuine OEM coolant pipe guarantees precise fitment, durable materials resistant to heat and corrosion, and a leak-free connection essential for the longevity of your cooling system.